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Electromagnetic absorption by rocks :with some experimental observations taken at the Mammouth Cave of Kentucky

Theory of the torsion balance :with a preliminary study of a modification of the instrument to decrease time of gravity measurements

Published Year

• 1930-1939 (2) *

Subject

• Electric waves (1)
• Gravity (1)
• Rocks (1)
• Torsion balances (1)

Author

• Joyce, J. Wallace. (2) *

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